Is this "auxilery oiler" needed?

[LaGrasta]

http://cgi.ebay.com/ebaymotors/ws/eBayI ... 20462&rd=1

 

[CobraSix]

It's interesting to say the least.

 

[48fordnut]

some older engs, require this. the oiling holes get plugged going to the lifters and the lifters don't send any oil to the pushrods and rocker arms. many yrs ago we used to see these on the y block ford. i have never seen one on one of fords 6 cyl.